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WELLINGTON MANAGEMENT GROUP LLP: WST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WELLINGTON MANAGEMENT GROUP LLP on WST, newest first. How the timeline and the estimate are built.

WELLINGTON MANAGEMENT GROUP LLP held 175,052 WST shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 175,052 shares
    Change vs previous 13F -73,584 shares

    0.01% of the 13F portfolio, value $62,843,668.

    13F-HR 0000902219-26-000311 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 248,636 shares
    Change vs previous 13F +232,776 shares

    0.01% of the 13F portfolio, value $62,318,126.

    13F-HR 0000902219-26-000209 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 15,860 shares
    Change vs previous 13F +1,241 shares

    <0.01% of the 13F portfolio, value $4,363,721.

    13F-HR 0000902219-26-000103 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 14,619 shares
    Change vs previous 13F +813 shares

    <0.01% of the 13F portfolio, value $3,835,002.

    13F-HR 0000902219-25-000462 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 13,806 shares
    Change vs previous 13F +312 shares

    <0.01% of the 13F portfolio, value $3,020,753.

    13F-HR 0000902219-25-000356 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 13,494 shares
    Change vs previous 13F +6,838 shares

    <0.01% of the 13F portfolio, value $3,021,036.

    13F-HR 0000902219-25-000242 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F/A 6,656 shares
    Change vs previous 13F +99 shares

    <0.01% of the 13F portfolio, value $2,180,239.

    13F-HR 0000902219-25-000131 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 6,557 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,968,149.

    13F-HR 0000902219-24-000498 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).